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AD1580BRTZ-R2

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Analog Devices Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AD1580BRTZ-R2

Analog Devices · Voltage Reference · SOT-23-3

AD1580BRTZ-R2 from Analog Devices, in a SOT-23-3. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 V+ power_in Positive terminal of the 2-terminal shunt reference, which carries the reverse current (50 µA to 10 mA) and develops the 1.225 V output across V+ and V-.
2 V- power_in Negative (common) terminal of the 2-terminal shunt reference, forming the 1.225 V reference with V+.
3 NC (OR V-) unconnected No connect in the SOT-23 pinout; the datasheet notes this pin may alternatively be tied to V-.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package SOT-23-3
Category Power Management (PMIC)
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Reverse voltage output (SOT-23), B grade 1.224 1.225 1.226 V TA = 25°C, IIN = 100 µA, unless otherwise noted 3
Initial output error (AD1580BRT, ±1 mV) -1 1 mV 7
Reverse voltage temperature drift (B grade) 50 ppm/°C −40°C to +85°C 3
Minimum operating current, TMIN to TMAX 50 µA TMIN to TMAX 3
Reverse voltage change with reverse current (50 µA < IIN < 10 mA) 2.5 6 mV 50 µA < IIN < 10 mA, TMIN to TMAX 3
Reverse voltage change with reverse current (50 µA < IIN < 1 mA) 0.5 mV 50 µA < IIN < 1 mA, TMIN to TMAX 3
Dynamic output impedance (B grade) ΔVR/ΔIR 0.4 0.5 Ω IIN = 1 mA ± 100 µA (f = 120 Hz) 3
RMS noise voltage 20 µV rms 10 Hz to 10 kHz 3
Low frequency noise voltage 5 µV p-p 0.1 Hz to 10 Hz 3
Turn-on settling time to 0.1% 5 µs No load capacitor 3
Output voltage hysteresis 80 µV +25°C output after excursion to +85°C and then to −40°C 3
Specified performance temperature range, TMIN to TMAX -40 85 °C 3
Operating temperature range (AD1580/RT) -55 125 °C AD1580/RT 4
Reverse current 25 mA 4
Forward current 20 mA 4
Internal power dissipation (SOT-23, RT) 0.3 W Free air at 25°C, SOT-23 package, θJA = 300°C/W 4
Storage temperature range -65 150 °C 4
Lead temperature, vapor phase soldering 215 °C 60 s 4
Lead temperature, infrared soldering 220 °C 15 s 4
ESD susceptibility, human body model 4 kV Human body model (100 pF through 1.5 kΩ) 4
ESD susceptibility, machine model 400 V Machine model (200 pF direct discharge) 4
Thermal resistance, junction to ambient (SOT-23) θJA 300 °C/W SOT-23 package, free air at 25°C 4

CAD (KiCad official)

  • Symbol: AD1580BRTZ-R2
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ad1580brtz-r2-etched.step / ad1580brtz-r2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad1580brtz-r2.step / ad1580brtz-r2.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (12 pp, sha256 fb321b20dfb4fd12, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF